/*
 * Copyright [2013-2021], Alibaba Group Holding Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.polardbx.executor.mpp.operator;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.alibaba.polardbx.executor.mpp.metadata.TaskLocation;
import org.joda.time.DateTime;

import java.util.OptionalInt;
import java.util.OptionalLong;

import static com.google.common.base.MoreObjects.toStringHelper;
import static java.util.Objects.requireNonNull;

public class PageBufferClientStatus {
    private final TaskLocation location;
    private final String state;
    private final DateTime lastUpdate;
    private final long rowsReceived;
    private final int pagesReceived;
    // use optional to keep the output size down, since this renders for every destination
    private final OptionalLong rowsRejected;
    private final OptionalInt pagesRejected;
    private final int requestsScheduled;
    private final int requestsCompleted;
    private final int requestsFailed;
    private final String httpRequestState;

    @JsonCreator
    public PageBufferClientStatus(@JsonProperty("location") TaskLocation location,
                                  @JsonProperty("state") String state,
                                  @JsonProperty("lastUpdate") DateTime lastUpdate,
                                  @JsonProperty("rowsReceived") long rowsReceived,
                                  @JsonProperty("pagesReceived") int pagesReceived,
                                  @JsonProperty("rowsRejected") OptionalLong rowsRejected,
                                  @JsonProperty("pagesRejected") OptionalInt pagesRejected,
                                  @JsonProperty("requestsScheduled") int requestsScheduled,
                                  @JsonProperty("requestsCompleted") int requestsCompleted,
                                  @JsonProperty("requestsFailed") int requestsFailed,
                                  @JsonProperty("httpRequestState") String httpRequestState) {
        this.location = location;
        this.state = state;
        this.lastUpdate = lastUpdate;
        this.rowsReceived = rowsReceived;
        this.pagesReceived = pagesReceived;
        this.rowsRejected = requireNonNull(rowsRejected, "rowsRejected is null");
        this.pagesRejected = requireNonNull(pagesRejected, "pagesRejected is null");
        this.requestsScheduled = requestsScheduled;
        this.requestsCompleted = requestsCompleted;
        this.requestsFailed = requestsFailed;
        this.httpRequestState = httpRequestState;
    }

    @JsonProperty
    public TaskLocation getLocation() {
        return location;
    }

    @JsonProperty
    public String getState() {
        return state;
    }

    @JsonProperty
    public DateTime getLastUpdate() {
        return lastUpdate;
    }

    @JsonProperty
    public long getRowsReceived() {
        return rowsReceived;
    }

    @JsonProperty
    public int getPagesReceived() {
        return pagesReceived;
    }

    @JsonProperty
    public OptionalLong getRowsRejected() {
        return rowsRejected;
    }

    @JsonProperty
    public OptionalInt getPagesRejected() {
        return pagesRejected;
    }

    @JsonProperty
    public int getRequestsScheduled() {
        return requestsScheduled;
    }

    @JsonProperty
    public int getRequestsCompleted() {
        return requestsCompleted;
    }

    @JsonProperty
    public int getRequestsFailed() {
        return requestsFailed;
    }

    @JsonProperty
    public String getHttpRequestState() {
        return httpRequestState;
    }

    @Override
    public String toString() {
        return toStringHelper(this)
            .add("TaskLocation", location)
            .add("state", state)
            .add("lastUpdate", lastUpdate)
            .add("rowsReceived", rowsReceived)
            .add("pagesReceived", pagesReceived)
            .add("httpRequestState", httpRequestState)
            .toString();
    }
}